[FFmpeg-trac] #7465(avformat:new): MP3 24-bit (fmt:s32p) is displayed in the log, but the transcoded file is not
FFmpeg
trac at avcodec.org
Mon Oct 1 16:08:39 EEST 2018
#7465: MP3 24-bit (fmt:s32p) is displayed in the log, but the transcoded file is
not
-------------------------------------+------------------------------------
Reporter: Sami32 | Owner:
Type: enhancement | Status: new
Priority: minor | Component: avformat
Version: git-master | Resolution:
Keywords: MP3 24-bit | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+------------------------------------
Comment (by Sami32):
I think that MP3 could only be 16-bit.
FFmpeg real output is different of what was said in the log when
transcoding.
The output file analyszed by FFmpeg is the following:
ffmpeg started on 2018-10-01 at 15:19:31
Report written to "ffmpeg-20181001-151931.log"
Command line:
ffmpeg -report -i MP3Test.mp3
ffmpeg version N-91977-ge33b28cc79 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 8.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --enable-avisynth
--enable-fontconfig --enable-gnutls --enable-libaom --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio
--enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm
--enable-libilbc --enable-libkvazaar --enable-libmfx --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-
librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-
libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxvid --enable-libxml2
--enable-libzimg --enable-opengl --enable-pthreads --disable-w32threads
--disable-dxva2 --disable-debug --pkg-config-flags=--static --extra-
ldflags=-static --extra-cflags='-mtune=generic -mfpmath=sse -msse'
--cpu=i686 --optflags='-O2 -finline-fun libavutil 56. 19.101 / 56.
19.101
libavcodec 58. 30.100 / 58. 30.100
libavformat 58. 18.101 / 58. 18.101
libavdevice 58. 4.103 / 58. 4.103
libavfilter 7. 32.100 / 7. 32.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Splitting the commandline.
Reading option '-report' ... matched as option 'report' (generate a
report) with argument '1'.
Reading option '-i' ... matched as input url with argument 'MP3Test.mp3'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url MP3Test.mp3.
Successfully parsed a group of options.
Opening an input file: MP3Test.mp3.
[NULL @ 08021080] Opening 'MP3Test.mp3' for reading
[file @ 08021c00] Setting default whitelist 'file,crypto'
[mp3 @ 08021080] Format mp3 probed with size=8192 and score=51
id3v2 ver:4 flags:00 len:35
[mp3 @ 08021080] pad 576 965
[mp3 @ 08021080] Skipping 0 bytes of junk at 1005.
[mp3 @ 08021080] Before avformat_find_stream_info() pos: 1005 bytes
read:32768 seeks:0 nb_streams:1
[mp3 @ 08021080] demuxer injecting skip 1105 / discard 0
[mp3float @ 08035f80] skip 1105 / discard 0 samples due to side data
[mp3float @ 08035f80] skip 1105/1152 samples
[mp3 @ 08021080] All info found
[mp3 @ 08021080] After avformat_find_stream_info() pos: 49133 bytes
read:65536 seeks:0 frames:50
Input #0, mp3, from 'MP3Test.mp3':
Metadata:
encoder : Lavf58.18.101
Duration: 00:00:56.38, start: 0.023021, bitrate: 320 kb/s
Stream #0:0, 50, 1/14112000: Audio: mp3, 48000 Hz, stereo, fltp, 320
kb/s
Metadata:
encoder : Lavc58.30
Successfully opened the file.
At least one output file must be specified
[AVIOContext @ 08029e80] Statistics: 65536 bytes read, 0 seeks
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7465#comment:2>
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